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30 Jun 2008, 21:30
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N
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
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Please explain solution for this question.
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Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Data Sufficiency (DS) Forum
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30 Jun 2008, 22:49
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E
We need to find the actual number of balls of each color and/or odd/even.
statement 1 is obviously not enough because it does not give the number of white balls
statement 2 is not enough because you can have (10 white balls) - (5 evens) = 6 OR 15 white balls - 10 evens = 5 (which is 20%)
Put them together, still not enough to solve because we still don't know how many white balls there are.
We need to find the actual number of balls of each color and/or odd/even.
statement 1 is obviously not enough because it does not give the number of white balls
statement 2 is not enough because you can have (10 white balls) - (5 evens) = 6 OR 15 white balls - 10 evens = 5 (which is 20%)
Put them together, still not enough to solve because we still don't know how many white balls there are.
30 Jun 2008, 23:16
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I would guess E but I am not really sure of any method to get around this. I would appreciate if someone could make a detailed explanation.
